Home / 1,886.63-2,603.42-1,047.27

Finding the Fourth Proportional to 1,886.63, 2,603.42 and 1,047.27

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Solution

The fourth proportional to 1,886.63, 2,603.42 and 1,047.27 is: 1,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.63 : 2,603.42 = 1,047.27 : x
  2. Step 2: Convert to fraction form
    1,886.63/2,603.42 = 1,047.27/x
  3. Step 3: Cross multiply
    1,886.63x = 2,603.42 × 1,047.27
  4. Step 4: Simplify right side
    1,886.63x = 2,726,478.43
  5. Step 5: Solve for x
    x = 2,726,478.43/1,886.63
  6. Step 6: Final answer
    x = 1,445.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.